Diet Pepsi Coupon – Save $1 on (2) Diet Pepsi 2L Bottles This post may contain affiliate links. Please see the full disclosure policy here. Posted on January 27, 2013 Written by Mary Leave a Comment There is a new Diet Pepsi Coupon available to print today! Save $1 off (2) 2L Diet Pepsi Bottles! Here’s how to grab your coupon: Head over HERE, enter the zip 10001 and click on the blue arrow. Now come back and click THIS LINK – choose the beverage category and print your coupon!